F02M 9/12
Carburettors having air or fuel-air mixture passage throttling valves other than of
Official title: having other specific means for controlling the passage, or for varying cross-sectional area, of fuel-air mixing chambers
F02M9/12 (Carburettors having air or fuel-air mixture passage throttling valves other than of) appears on 114 US grants and 34 published applications in this corpus.
Search patents in F02M- Granted patents
- 114
- Published applications
- 34
- Assignees
- 47
- Inventors
- 150
- Latest grant
- 25 Apr 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 7 | 0 |
| 1978 | 14 | 0 |
| 1979 | 7 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 2 | 1 |
| 2012 | 2 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 3 |
| 2015 | 4 | 4 |
| 2016 | 4 | 5 |
| 2017 | 1 | 1 |
| 2018 | 2 | 2 |
| 2019 | 5 | 4 |
| 2020 | 3 | 2 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- F02M 9/127Axially movable throttle valves concentric with the axis of the mixture passage90
- F02M 9/125Specially shaped throttle valves not otherwise covered in groups f02m9/121 - f02m9/1248
- F02M 9/121Iris diaphragms6
- F02M 9/122Consisting of lamellae or wires1
- F02M 9/124Throttle valves with an action corresponding to those in apparatus for re-atomising1
- F02M 9/123Spiral springs0
Recent patents
- Method and systems for active air fuel ratio control25 Apr 2023US 11,635,046 B1Transportation IP Holdings, LLC
- Carburetor18 Oct 2022US 11,473,531 B2
- Gas idling transition passage structure for oil and gas dual-purpose carburetor7 Dec 2021US 11,193,451 B2
- Individual cylinder tuning booster for a carburetor28 Sep 2021US 11,131,274 B1
- Individual cylinder tuning booster for a carburetor10 Nov 2020US 10,830,183 B2
- Carburetor6 May 2021US 2021/0131381 A1
- Gas idling transition passage structure for oil and gas dual-purpose carburetor28 Jan 2021US 2021/0025353 A1
- Individual cylinder tuning booster for a carburetor11 Jun 2020US 2020/0182197 A1
- Rotary throttle valve and carburetor30 Jan 2020US 2020/0032742 A1Walbro Corporation
- Rotary throttle valve carburetor with valve bore air flow30 May 2019US 2019/0162137 A1Walbro Corporation
Most cited
By later US patents
- Semiconductor light emitting device, method of manufacturing the same, and semiconductor light emitting device package using the same495US 7,964,881 B2Samsung LED Co., Ltd. · 2011
- Semiconductor light emitting device, method of manufacturing the same, and semiconductor light emitting device package using the same484US 7,985,976 B2Samsung LED Co., Ltd. · 2011
- Semiconductor light emitting device, method of manufacturing the same, and semiconductor light emitting device package using the same481US 8,263,987 B2Samsung Electronics Co., Ltd. · 2012
- Throttle valve controlling apparatus employing electrically controlled actuator49US 4,892,071 AMitsubishi Denki Kabushiki Kaisha · 1990
- Semiconductor light emitting device, method of manufacturing the same, and semiconductor light emitting device package using the same32US 8,981,395 B2Samsung Electronics Co., Ltd. · 2015